 package com.cn.star.java8;

import java.util.Hashtable;

public class Test06 {
     	 
     static void change(StringBuffer a ){
    	 a.append("111");
         a = new StringBuffer("a11");
     }
     
     public static void main(String[] args) {
    	 StringBuffer a = new StringBuffer("a1");
         change(a);
         System.out.println(a.toString());
         
        Father1 father1 = new Father1();
        father1.say();
         
    }
}
 
